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Photo taken on Aug. 25, 2018 shows the Xihuchong bridge of the Qiangjiang-Zhangjiajie-Changde railway under construction in Hongyanxi Township of Longshan County, central China's Hunan Province. (Xinhua/Zeng Xianghui)
Photo taken on Aug. 25, 2018 shows the Xihuchong bridge of the Qiangjiang-Zhangjiajie-Changde railway under construction in Hongyanxi Township of Longshan County, central China's Hunan Province. (Xinhua/Zeng Xianghui)